package com.bang.concurrency.example.atomic;

import com.bang.concurrency.annotations.ThreadSafe;
import lombok.extern.slf4j.Slf4j;
import org.checkerframework.checker.units.qual.A;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.atomic.LongAdder;

/**
 * @Auther: Bang
 * @Date: 2019/9/29 22:21
 * @Description: AtomicReference
 */
@Slf4j
@ThreadSafe
public class AtomicExample4 {

    private static AtomicReference<Integer> count = new AtomicReference<>(0);

    public static void main(String[] args) throws InterruptedException {
        count.compareAndSet(0, 2); // 2
        count.compareAndSet(0, 1); // no
        count.compareAndSet(1, 3); // no
        count.compareAndSet(2, 4); // 4
        count.compareAndSet(3, 5); // no
        log.info("count:{}", count.get()); //4
    }


}
